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S-Parameters for digital designers: S-Parameter data can provide valuable information about the characteristics of a PCB interconnect
As multi-gigabit interfaces, like PCI Express, have continued to advance in frequency for each generation (PCI Expression Generation 2 operates at...
Printed Circuit Design & Manufacture, 05/01/09 by Timothy Coyle · More from publication -
Simulation: the need for speed: establishing selection criteria can help determine the best simulation model for a specific task
The jitter specifications for SerDes (Serializer/Deserializer) interfaces keep getting smaller, and the timing margins for memory interfaces, like...
Printed Circuit Design & Manufacture, 02/01/09 by Timothy Coyle · More from publication -
Be in control of code requirements: here's one panel discussion you don't want to miss
In my experience, one of the trouble spots in project specifications is coordinating the control panels furnished with mechanical equipment with...
Engineered Systems, 04/01/06 by Timothy Coyle · More from publication -
A better meter made: done carefully, converting to newer meters can simplify and save
Microprocessor-based systems greatly increased the power and flexibility of BMS while lowering the cost of sophisticated control. A similar...
Engineered Systems, 02/01/06 by Timothy Coyle · More from publication -
Don't get behind: on the code! The new NEC changes are in
The National Electrical Code (NEC), published by the National Fire Protection Association, is in a sense the Bible that we live by when designing...
Engineered Systems, 12/01/05 by Timothy Coyle · More from publication -
Keep in the clear! The NEC insistence on a wide berth isn't just a power trip
If there is a single aspect of the National Electrical Code (NEC) that HVACR designers should be familiar with, it is the requirements that define...
Engineered Systems, 06/01/05 by Timothy Coyle · More from publication -
Don't ground in isolation
Grounding of low-level signals used in instrumentation and control (I&C) systems frequently enters the realm of black magic. Designers and...
Engineered Systems, 04/01/05 by Timothy Coyle · More from publication -
Lightning and surge protection: how does the Faraday cage help buildings shrug off a bolt from above?
Many years ago, I visited a museum of science and technology in Munich. This museum had extensive exhibits of high-voltage engineering technology...
Engineered Systems, 02/01/05 by Timothy Coyle · More from publication -
More about ground: every safe electrical system requires an effective conductor
The last column explained the reasons for connecting the neutral point of an electrical system to ground. This month, we'll extend this concept to...
Engineered Systems, 12/01/04 by Timothy Coyle · More from publication -
Have an earthly idea: our grounding overview starts here
Proper grounding of electrical systems is critical for personnel safety, equipment protection, lightning protection, and error-free analog and...
Engineered Systems, 10/01/04 by Timothy Coyle · More from publication
